A component sorting device for manufacturing a diagnostic kit is provided. A component sorting apparatus for manufacturing a diagnostic kit according to an embodiment of the present invention accommodates a plurality of parts supplied from a first adsorption and transfer part, and includes a first seating part extending along a first direction and a first receiving part along a transfer path in the first direction. An alignment supply unit including a first transfer slider for pushing and transferring the parts supplied on the seating unit, a first transfer belt having one end connected to at least a part of the alignment supply unit to transfer parts transferred from the alignment supply unit in a first direction, A parts transfer unit including a first fixed stopper provided at the other end of the first transfer belt so that the parts are accumulated, and a second adsorption transfer unit that absorbs and pulls out some of the accumulated parts by the first fixed stopper, and a second adsorption transfer unit In the second seating portion that accommodates the parts supplied from the second seating portion, the second transfer slider that pushes and transports the parts supplied on the second seating portion along the transfer path in the first direction provided on the second seating portion, and the second transfer slider. A printing unit including a third transfer slider for transferring the parts transferred by the parts to the printing area provided on the second seating unit, and a printing unit for performing printing processing on the upper surfaces of the parts fixed on the printing area, and one end A second transfer belt that is connected to at least a portion of the printing unit and transfers the printed parts in the first direction, and performs defect inspection by photographing the upper surfaces of the parts fixed on the inspection area provided on the second transfer belt. And a defect sorting unit including a camera unit to perform the second transfer belt, and an adsorption removing unit configured to remove a part determined to be defective among parts fixed to the removal area provided on the second transfer belt.